The triangles shown… - QuestionCove
OpenStudy (anonymous):

The triangles shown are similar. What is the value of x? VHS_PA_S2_01_L210_L310_Q8.gif A. 17 B. 20 C. 10 D. 5 http://static.k12.com/calms_media/media/243500_244000/243527/1/ee3fc13b57e5da8821a49903476e3922c5bbbd78/VHS_PA_S2_01_L210_L310_Q8.gif

2 years ago
OpenStudy (anonymous):

@Conqueror

2 years ago
OpenStudy (anonymous):

@iGreen

2 years ago
OpenStudy (anonymous):

2 years ago
OpenStudy (igreen):

LOL CROSS MULTIPLY

2 years ago
OpenStudy (anonymous):

not gunna get me this time...

2 years ago
OpenStudy (anonymous):

-.-

2 years ago
OpenStudy (igreen):

We set up a proportion. $$\dfrac{16}{4} = \dfrac{x}{5}$$ Multiply 5 to both sides: $$\dfrac{16 \times 5}{4}$$ SImplify that

2 years ago
OpenStudy (igreen):

What do you mean..? They actually DO want you to cross multiply..xD

2 years ago
OpenStudy (anonymous):

omg i fell.... retarded....

2 years ago
OpenStudy (igreen):

xD It's fine, but @satellite73 is all against it, we just multiply 5 to both sides..he hates the extra step. So simplify: $$\dfrac{16 \times 5}{4}$$

2 years ago
OpenStudy (anonymous):

i came out with 20

2 years ago
OpenStudy (igreen):

Yep, you got it.

2 years ago
OpenStudy (anonymous):

lol... but still... i fell retarded right now...

2 years ago